diff --git a/src/main/java/cc/niushuai/bastionserver/common/base/controller/BaseController.java b/src/main/java/cc/niushuai/bastionserver/common/base/controller/BaseController.java
index b634d4b..2b859fc 100644
--- a/src/main/java/cc/niushuai/bastionserver/common/base/controller/BaseController.java
+++ b/src/main/java/cc/niushuai/bastionserver/common/base/controller/BaseController.java
@@ -244,7 +244,10 @@ public class BaseController<T, S extends IService<T>> {
             wrapper.eq(fn, fn.apply(obj));
         }
 
-        wrapper.ne(null != id, id, id.apply(obj));
+        if (null != id) {
+            // id非空 组装id条件
+            wrapper.ne(id, id.apply(obj));
+        }
 
         boolean exists = service.getBaseMapper().exists(wrapper);
         if (exists) {